Sharuum the Hegemon in hand or in the command zone.
Mana Needed
({3} magic symbol) ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) plus commander tax if applicable available.
Steps
Cast
Sharuum either from your hand or from the command zone by paying ({3} magic symbol) ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) plus commander tax if applicable.
When
Sharuum enters the battlefield, it and
Blasting Station trigger, with
Sharuum targeting
Technomancer.
Resolve the
Blasting Station trigger, untapping it.
Holding priority, activate
Blasting Station by tapping it and sacrificing
Sharuum.
Resolve the
Sharuum trigger, returning
Technomancer from your graveyard to the battlefield.
When
Technomancer enters the battlefield, it and
Blasting Station trigger.
Resolve the
Blasting Station trigger, untapping it.
Holding priority, activate
Blasting Station by tapping it and sacrificing
Technomancer.
Resolve the
Technomancer trigger, causing you to mill three cards and return
Sharuum from your graveyard to the battlefield.
Repeat from step 2.
Results
Infinite LTB.
Infinite ETB.
Infinite death triggers.
Infinite damage.
Infinite sacrifice triggers.
Infinite self-mill.
Metadata
In 3 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).